Alaska earthquakes

M2.6 earthquake 67 km S of Adak, Alaska

A magnitude 2.6 earthquake struck 67 km S of Adak, Alaska on Wed, Jul 16, 2025, 8:27 PM HADT (05:27 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.8 54 km W of Adak, Alaska. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.6 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-07-17 05:27:09 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.276° N, 176.506° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
2.6ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.097 · 14 stations
2.4ML, local (Richter)Alaska Earthquake CenterPreliminary

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 4.2 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
217°, poorly surrounded by stations
Stations used
22

Nearby

Within 100 km, magnitude 1.5 and up: 194 in the 60 days after this one and 147 in the 30 days before it.

After

  1. 1.882 km SW of Adak, Alaska · 442 days ago · 46 km deep · 81 km away
  2. 2.422 km N of Adak, Alaska · 442 days ago · 189 km deep · 89 km away
  3. 1.761 km SSW of Adak, Alaska · 442 days ago · 38 km deep · 39 km away
  4. 1.862 km SSW of Adak, Alaska · 442 days ago · 28 km deep · 24 km away
  5. 1.940 km NE of Adak, Alaska · 442 days ago · 9 km deep · 100 km away
  6. 2.570 km SSE of Adak, Alaska · 441 days ago · 35 km deep · 19 km away
  7. 3.0119 km SSW of Atka, Alaska · 441 days ago · 22 km deep · 100 km away
  8. 2.69 km SSW of Adak, Alaska · 440 days ago · 81 km deep · 59 km away
  9. 3.086 km ESE of Adak, Alaska · 440 days ago · 35 km deep · 70 km away
  10. 1.654 km WSW of Adak, Alaska · 440 days ago · 24 km deep · 66 km away
  11. 1.891 km SW of Adak, Alaska · 439 days ago · 27 km deep · 85 km away
  12. 1.891 km SW of Adak, Alaska · 439 days ago · 27 km deep · 85 km away
  13. 2.586 km SW of Adak, Alaska · 438 days ago · 35 km deep · 65 km away
  14. 3.848 km S of Adak, Alaska · 438 days ago · 40 km deep · 23 km away · felt by 1
  15. 2.845 km SE of Adak, Alaska · 438 days ago · 48 km deep · 39 km away
  16. 1.659 km SSE of Adak, Alaska · 438 days ago · 24 km deep · 29 km away
  17. 1.653 km S of Adak, Alaska · 438 days ago · 31 km deep · 17 km away
  18. 3.435 km S of Adak, Alaska · 438 days ago · 17 km deep · 31 km away
  19. 1.640 km SSE of Adak, Alaska · 438 days ago · 37 km deep · 32 km away
  20. 1.793 km SW of Adak, Alaska · 438 days ago · 27 km deep · 88 km away
  21. 1.753 km S of Adak, Alaska · 436 days ago · 14 km deep · 15 km away
  22. 2.562 km SSW of Adak, Alaska · 435 days ago · 35 km deep · 24 km away
  23. 1.667 km S of Adak, Alaska · 435 days ago · 22 km deep · 5 km away
  24. 3.394 km SW of Atka, Alaska · 435 days ago · 35 km deep · 100 km away
  25. 2.046 km SW of Adak, Alaska · 435 days ago · 26 km deep · 52 km away
  26. 1.894 km SW of Atka, Alaska · 435 days ago · 26 km deep · 100 km away
  27. 1.997 km SW of Atka, Alaska · 435 days ago · 26 km deep · 98 km away
  28. 2.174 km SE of Adak, Alaska · 434 days ago · 22 km deep · 53 km away
  29. 1.872 km WSW of Adak, Alaska · 434 days ago · 74 km deep · 76 km away
  30. 2.574 km SSE of Adak, Alaska · 434 days ago · 35 km deep · 16 km away
  31. 1.8100 km SW of Adak, Alaska · 434 days ago · 27 km deep · 75 km away
  32. 1.653 km W of Adak, Alaska · 433 days ago · 130 km deep · 97 km away
  33. 1.683 km SW of Adak, Alaska · 433 days ago · 32 km deep · 80 km away
  34. 1.942 km NE of Adak, Alaska · 432 days ago · 123 km deep · 95 km away
  35. 3.957 km S of Adak, Alaska · 432 days ago · 35 km deep · 14 km away
  36. 1.634 km SSE of Adak, Alaska · 432 days ago · 51 km deep · 33 km away
  37. 1.969 km SSE of Adak, Alaska · 432 days ago · 25 km deep · 11 km away
  38. 1.968 km SSE of Adak, Alaska · 432 days ago · 20 km deep · 10 km away
  39. 2.567 km SSE of Adak, Alaska · 431 days ago · 35 km deep · 9 km away
  40. 1.764 km SSE of Adak, Alaska · 431 days ago · 33 km deep · 28 km away
  41. 1.56 km NE of Adak, Alaska · 431 days ago · 8 km deep · 71 km away
  42. 1.583 km WSW of Adak, Alaska · 430 days ago · 67 km deep · 98 km away
  43. 3.865 km SW of Adak, Alaska · 430 days ago · 38 km deep · 52 km away
  44. 2.558 km SW of Adak, Alaska · 430 days ago · 46 km deep · 57 km away
  45. 2.981 km SW of Adak, Alaska · 430 days ago · 47 km deep · 59 km away
  46. 3.182 km SW of Adak, Alaska · 430 days ago · 35 km deep · 59 km away
  47. 1.5115 km SSW of Atka, Alaska · 429 days ago · 26 km deep · 96 km away
  48. 3.190 km WSW of Adak, Alaska · 429 days ago · 41 km deep · 89 km away
  49. 1.75 km N of Adak, Alaska · 429 days ago · 7 km deep · 72 km away
  50. 2.7112 km SSW of Adak, Alaska · 428 days ago · 21 km deep · 75 km away
  51. 2.565 km SSE of Adak, Alaska · 428 days ago · 35 km deep · 6 km away
  52. 3.0118 km SSW of Adak, Alaska · 428 days ago · 10 km deep · 77 km away
  53. 1.968 km SSE of Adak, Alaska · 428 days ago · 21 km deep · 11 km away
  54. 1.656 km SSE of Adak, Alaska · 428 days ago · 24 km deep · 30 km away
  55. 1.813 km W of Adak, Alaska · 427 days ago · -2 km deep · 68 km away
  56. 3.295 km SW of Adak, Alaska · 427 days ago · 35 km deep · 77 km away
  57. 2.672 km ESE of Adak, Alaska · 427 days ago · 35 km deep · 66 km away
  58. 2.042 km S of Adak, Alaska · 427 days ago · 26 km deep · 28 km away
  59. 3.293 km SSE of Adak, Alaska · 426 days ago · 10 km deep · 29 km away
  60. 3.375 km SSE of Adak, Alaska · 425 days ago · 35 km deep · 15 km away

The first 60 of 194.

Before

  1. 1.696 km WSW of Adak, Alaska · 442 days ago · 26 km deep · 92 km away
  2. 2.295 km ESE of Adak, Alaska · 442 days ago · 26 km deep · 91 km away
  3. 3.099 km SW of Atka, Alaska · 442 days ago · 34 km deep · 93 km away
  4. 3.4104 km WSW of Adak, Alaska · 443 days ago · 57 km deep · 98 km away
  5. 2.541 km SW of Adak, Alaska · 443 days ago · 69 km deep · 53 km away
  6. 1.892 km SW of Adak, Alaska · 443 days ago · 30 km deep · 77 km away
  7. 1.919 km SE of Adak, Alaska · 443 days ago · 73 km deep · 51 km away
  8. 3.364 km SSE of Adak, Alaska · 443 days ago · 35 km deep · 20 km away
  9. 2.064 km SSW of Adak, Alaska · 444 days ago · 37 km deep · 35 km away
  10. 1.832 km S of Adak, Alaska · 444 days ago · 38 km deep · 38 km away
  11. 1.661 km SW of Adak, Alaska · 444 days ago · 12 km deep · 64 km away
  12. 2.770 km SE of Adak, Alaska · 444 days ago · 19 km deep · 36 km away
  13. 1.837 km SSE of Adak, Alaska · 444 days ago · 50 km deep · 31 km away
  14. 2.559 km S of Adak, Alaska · 445 days ago · 35 km deep · 9 km away
  15. 1.737 km S of Adak, Alaska · 445 days ago · 40 km deep · 31 km away
  16. 2.5103 km SSE of Adak, Alaska · 445 days ago · 10 km deep · 44 km away
  17. 1.7101 km SSE of Adak, Alaska · 445 days ago · 13 km deep · 41 km away
  18. 1.541 km NE of Adak, Alaska · 446 days ago · 12 km deep · 99 km away
  19. 1.889 km SE of Adak, Alaska · 446 days ago · 11 km deep · 64 km away
  20. 3.567 km S of Adak, Alaska · 446 days ago · 28 km deep · 19 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000qs1x (also filed as ak02593jjotd). Read Fri, Oct 2, 2026, 5:50 AM UTC.